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spark from a plug in the pre-combustion chamber electrical discharge from the distributor heat of compression within the cylinder heat from the fuel injection nozzle
To prevent internal damage form local overheating To ensure the fuel nozzles are flushed clean To clear the smoke stack To let the waste heat boiler reduce its rate of steam generation
reduce engine exhaust noise reduce engine back pressure increase engine cycle efficiency increase turbocharger efficiency
prevent engine back pressure at heavy loads increase total engine efficiency at low loads prevent boiler corrosion at low engine loads improve engine fuel consumption at any load
provide steam for emergency propulsion provide steam for the turbo-generator heat the waste water tanks steam for warming engines
residual carbon deposits lube oil viscosity breakdown uneven heat expansion of the rings uneven heat expansion of the piston
electric heat mechanical exhaust
an diesel oil heater a waste heat boiler a fresh water generator all the above
reduce engine exhaust noise reduce engine back pressure recover heat which otherwise would be lost increase turbocharger efficiency
at high loads to prevent overheating at low loads to prevent corrosion in the boiler during periods of high steam demand when the turbocharger is in operation
conducted through the engine block conducted to water cooled cylinder walls conducted through the piston crown loss to escaping exhaust gases
space limitations prevent separately run pipes the engines are small auxiliary units they are arranged to prevent gas backflow to each engine a waste heat boiler is installed
Spark plug Heat of compression Carburetor Glow plug
radiated through the engine block transferred to water cooled cylinder walls conducted through the piston crown transferred to escaping exhaust gases
Spark plug Heat of compression Carburetor Glow ping
reduce electrolytic action on heat exchanger metals keep heat transfer surfaces shiny and clean prevent rapid accumulation of marine growth provide a protective coating on heat exchanger surfaces
crankshaft piston connecting rod bearing
prevent piston side thrust prevent engine friction losses transmit heat from the piston to the cylinder liner remove oil from the cylinder combustion space
a spark plug injectors the heat of compression increasing jacket water temperatures
Water energy Electrical energy Chemical energy Heat energy
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